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Conspecific influences on vigilance behavior in wild chimpanzees
https://ir.soken.ac.jp/records/3850
https://ir.soken.ac.jp/records/3850090985ae-2c26-4c7e-9cf1-c0a4b27b41fd
| Item type | 学術雑誌論文 / Journal Article(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2013-08-07 | |||||
| タイトル | ||||||
| タイトル | Conspecific influences on vigilance behavior in wild chimpanzees | |||||
| タイトル | ||||||
| タイトル | Conspecific influences on vigilance behavior in wild chimpanzees | |||||
| 言語 | en | |||||
| 言語 | ||||||
| 言語 | eng | |||||
| 資源タイプ | ||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
| 資源タイプ | journal article | |||||
| アクセス権 | ||||||
| アクセス権 | metadata only access | |||||
| アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
| 著者 |
KUTSUKAKE, Nobuyuki
× KUTSUKAKE, Nobuyuki |
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| 著者別名 |
沓掛, 展之
× 沓掛, 展之 |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | Diurnal primates rely on visual monitoring behavior to collect various kinds of ecological and social information. Vigilance behavior is monitoring specifically to detect external threats. Previous studies of vigilance behavior were focused mainly on the influence of predation threats, whereas the influences of conspecific factors, such as intragroup threats, have been relatively unstudied. Individual vigilance is predicted to be inversely related to the group size or the number of individuals nearby if the main target of the vigilance is a predation threat and positively related if the main target of the vigilance is a conspecific threat. I studied wild chimpanzees (Pan troglodytes schweinfurthii) in Mahale Mountains National Park, Tanzania, and measured the vigilance duration when they are resting on the ground via 2-min focal observation. In both males and females, vigilance duration increased as the number of individuals nearby increased. This result agrees with the idea that the chimpanzees are vigilant toward other group members. In addition, maternal vigilance monitors and protects the safety of dependent offspring as the duration of maternal vigilance was longer when a dependent infant was separated from its mother than when the offspring was in contact with its mother. The results indicate that the vigilance behavior in wild chimpanzees was affected by conspecific factors. | |||||
| 書誌情報 |
International Journal of Primatology en : International Journal of Primatology 巻 28, 号 4, p. 907-918, 発行日 2007-08 |
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| 出版者 | ||||||
| 出版者 | SpringerLink | |||||
| ISSN | ||||||
| 収録物識別子タイプ | ISSN | |||||
| 収録物識別子 | 01640291 | |||||
| DOI | ||||||
| 識別子タイプ | DOI | |||||
| 関連識別子 | https://doi.org/10.1007/s10764-007-9156-2 | |||||
| 関連名称 | 10.1007/s10764-007-9156-2 | |||||
| 権利 | ||||||
| 権利情報 | SpringerLink(The original publication is available at www.springerlink.com) | |||||
